Rear Sprocket Grooved- Sil 520-48 Teeth

Description

The Renthal Ultralight Rear Sprocket is a high-performance 48-tooth rear sprocket designed for motocross, Supercross, and enduro applications. CNC-machined from specially enhanced 7075-T6 aluminum alloy, it is 66% lighter than steel while maintaining exceptional durability. Engineered for precision, this sprocket features an advanced tooth profile and tight concentricity for maximum power transfer and extended chain life. Machined self-cleaning mud grooves at each tooth help prevent dirt buildup, ensuring consistent performance in harsh conditions. Designed for select Yamaha (1999-2020 YZ125, YZ250F, YZ400-450) and Honda (1988-1989 XR250R) models, the Renthal Ultralight Rear Sprocket is trusted by top factory race teams for its strength, accuracy, and longevity.